Subject
Bank Exam
Topic
উত্তরা ব্যাংক (প্রবেশনারি অফিসার) - ০৯.১১.২০২৪
What is the value of the 11th term of the geometrical progression 1, 2, 4, 8, 16, ....?
What is the value of the 11th term of the geometrical progression 1, 2, 4, 8, 16, ....?
ক)
1240খ)
1024গ)
5240ঘ)
1000Explanation
১, ২, ৪, ৮, ১৬, ........ এখানে, a = ১ r = ২ ÷ ১ = ২ আমরা জানি, n তম পদ = ar (n - ১) ১১তম পদ = ar (১১ - ১) = ar ১০ = ১ . ২ ১০ = ২ ১০ = ১০২৪Related questions
X can do a piece of work in 24 days. When he had worked for 4 days, Y joined him. If the work was completed in 16 days, Y alone can finish that work in:'কথাসাহিত্য' বলতে কোনটি বোঝায়?A can contains a mixture of two liquids A and B in the ratio 7 : 5. When 9 liters of mixtures are drawn off and the can is filled with B, the ratio of A and B becomes 7 : 9. How many liters of liquid A was contained by the can initially?কোনটি অব্যয়ীভাব সমাস?If simple interest on Tk. 600 for 4 years and on Tk. 600 for 2 years combined is Tk. 180, find the rate of interest.'বর্ণপরিচয়' এর লেখক কে?A committee of 5 members is to be formed out of 3 trainees, 4 professors and 6 research associates. In how many different ways can this be done if the committee should have 2 trainees 1 and 2 research associates?'দুর্গেশনন্দিনী' শব্দের অর্থ কী?